Refactored TTS extension code so that the platform-specific TTS...

chrome/test/data/extensions/api_test/tts/chromeos/test.js

Index: chrome/test/data/extensions/api_test/tts/chromeos/test.js
===================================================================
--- chrome/test/data/extensions/api_test/tts/chromeos/test.js	(revision 0)
+++ chrome/test/data/extensions/api_test/tts/chromeos/test.js	(working copy)
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TTS api test for Chrome. This is currently limited to ChromeOS.
-// browser_tests.exe --gtest_filter=ExtensionApiTest.Tts
+// TTS api test for Chrome on ChromeOS.
+// browser_tests.exe --gtest_filter=ExtensionApiTest.TtsOnChromeOs
 
 chrome.test.runTests([
   function testSpeak() {
@@ -28,4 +28,4 @@
             chrome.test.succeed();
           });
   }
-]);
+]);